<?php namespace CodeIgniter\Database\SQLite3;

/**
 * CodeIgniter
 *
 * An open source application development framework for PHP
 *
 * This content is released under the MIT License (MIT)
 *
 * Copyright (c) 2014-2017 British Columbia Institute of Technology
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 *
 * @package	CodeIgniter
 * @author	CodeIgniter Dev Team
 * @copyright	2014-2017 British Columbia Institute of Technology (https://bcit.ca/)
 * @license	https://opensource.org/licenses/MIT	MIT License
 * @link	https://codeigniter.com
 * @since	Version 3.0.0
 * @filesource
 */
use CodeIgniter\Database\PreparedQueryInterface;
use \CodeIgniter\Database\BasePreparedQuery;

class PreparedQuery extends BasePreparedQuery implements PreparedQueryInterface
{

    /**
     * The SQLite3Result resource, or false.
     * @var
     */
    protected $result;

    //--------------------------------------------------------------------

    /**
     * Prepares the query against the database, and saves the connection
     * info necessary to execute the query later.
     *
     * NOTE: This version is based on SQL code. Child classes should
     * override this method.
     *
     * @param string $sql
     * @param array  $options  Passed to the connection's prepare statement.
     *                         Unused in the MySQLi driver.
     *
     * @return mixed
     */
    public function _prepare(string $sql, array $options = [])
    {
        if ( ! ($this->statement = $this->db->connID->prepare($sql)))
        {
            $this->errorCode = $this->db->connID->lastErrorCode();
            $this->errorString = $this->db->connID->lastErrorMsg();
        }

        return $this;
    }

    //--------------------------------------------------------------------

    /**
     * Takes a new set of data and runs it against the currently
     * prepared query. Upon success, will return a Results object.
     *
     * @todo finalize()
     *
     * @param array $data
     *
     * @return bool
     */
    public function _execute($data)
    {
        if (is_null($this->statement))
        {
            throw new \BadMethodCallException('You must call prepare before trying to execute a prepared statement.');
        }

        foreach ($data as $key=>$item)
        {
            // Determine the type string
            if (is_integer($item))
            {
                $bindType = SQLITE3_INTEGER;
            }
            elseif (is_float($item))
            {
                $bindType = SQLITE3_FLOAT;
            }
            else
            {
                $bindType = SQLITE3_TEXT;
            }

            // Bind it
            $this->statement->bindValue($key+1, $item, $bindType);
        }

        $this->result = $this->statement->execute();

        return $this->result !== false;
    }

    //--------------------------------------------------------------------

    /**
     * Returns the result object for the prepared query.
     *
     * @return mixed
     */
    public function _getResult()
    {
        return $this->result;
    }

    //--------------------------------------------------------------------

}
